this is what i did as a fun project last week: a voltage meter module with cable tester. the range is selectable from 0V to 10V or -5V to +5V. the module provides two LEDs indicating the input signal exceeding the modules working range.
to use the spare front panel space i added a cable tester. for this tester the sockets have to be isolated from the front panel (COM).
[for 12V operation R9 and R10 have to be adjusted. this voltage divider sets the reference voltage of 10V for the comparator.]

Very cool! What's that crazy thing at the right side of the power rails? 057-010-1...what company is that a part number for? Headers? Some kind of switch?_________________Esoteric drones and nonlinear distortion
Custom/handmade experimental instruments
macumbista.net

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